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H2 + F2 = 2 HF
Pb(NO3)2 + Zn = Pb + Zn(NO3) =>
Pb(NO3)2 + 2 Zn = Pb + 2 Zn(NO3)
KBr + Ca(OH)2 = K(OH) + CaBr2 =>
2 KBr + Ca(OH)2 = 2 K(OH) + CaBr2
FeSO4 + NaClO + NaOH = Na2FeO4 + NaCl + H2O + Na2SO4 =>
FeSO4 + 2 NaClO + 4 NaOH = Na2FeO4 + 2 NaCl + 2 H2O + Na2SO4
Ni(NO3)2 + Fe(NO3)2 = NiFe(NO3)4 =>
Ni(NO3)2 + Fe(NO3)2 = NiFe(NO3)4
S(OH)2 + H2SO4 = S2SO4 + H2O =>
5 S(OH)2 + H2SO4 = 2 S2SO4 + 6 H2O
HCl + Al(OH)3 = Cl3Al + H2O(water) =>
3 HCl + Al(OH)3 = Cl3Al + 3 H2O(water)
AlBr + K = KBrAl =>
AlBr + K = KBrAl
MgBr2 + H2O = Mg(OH)2 + HBr =>
MgBr2 + 2 H2O = Mg(OH)2 + 2 HBr
PbI2 + Ag = AgI + Pb =>
PbI2 + 2 Ag = 2 AgI + Pb
SrCl2 + (NH4)2SO4 = SrSO4 + NH4Cl =>
SrCl2 + (NH4)2SO4 = SrSO4 + 2 NH4Cl
SrS + K2SO4 = SrSO4 + K2S =>
SrS + K2SO4 = SrSO4 + K2S
HNO3 + NaHCO3 = NaNO3 + H2O + CO2 =>
HNO3 + NaHCO3 = NaNO3 + H2O + CO2
*2Fe + *3H2SO4 = Fe2(SO4)3 + *3H2 =>
*2Fe + *3H2SO4 = Fe2(SO4)3 + *3H2
CH3CH(CH3)CHO + KMnO4 + KOH = CH3CH(CH3)COOK + K2MnO4 + H2O =>
CH3CH(CH3)CHO + 2 KMnO4 + 3 KOH = CH3CH(CH3)COOK + 2 K2MnO4 + 2 H2O
C2H2 + O2 = CO2 + H2O6 =>
C2H2 + 5 O2 = 2 CO2 + H2O6
K + AlCl2 = KCl + Al =>
2 K + AlCl2 = 2 KCl + Al
Cr + ClO4 = Cr(ClO4)3 =>
Cr + 3 ClO4 = Cr(ClO4)3
NaCl + Ca(OH)2 = CaCl2 + NaOH =>
2 NaCl + Ca(OH)2 = CaCl2 + 2 NaOH
V + H2O = H4V6O19 + H2 =>
6 V + 19 H2O = H4V6O19 + 17 H2
FeOH2O = Fe(OH)2 =>
FeOH2O = Fe(OH)2
HPO3 + H2O = H4P2O7 =>
2 HPO3 + H2O = H4P2O7
As + Na2S = Na3As + S =>
2 As + 3 Na2S = 2 Na3As + 3 S
MgSO3 + O2 = MgO + SO3 =>
2 MgSO3 + O2 = 2 MgO + 2 SO3
CuO + Cu = Cu2O =>
CuO + Cu = Cu2O
Ba(CH3COO)2 + Na2SO4 = BaSO4 + CH3COONa =>
Ba(CH3COO)2 + Na2SO4 = BaSO4 + 2 CH3COONa
Zn + CuCI2 = ZnCI2 + Cu =>
Zn + CuCI2 = ZnCI2 + Cu
S + Na = S2Na2 =>
2 S + 2 Na = S2Na2
Si + P = Si3P4 =>
3 Si + 4 P = Si3P4
FeCl2 + CH3COOH = (CH3COO)2Fe + HCl =>
FeCl2 + 2 CH3COOH = (CH3COO)2Fe + 2 HCl
AlCl3 + H2CO3 = Al2(CO3)3 + HCl =>
2 AlCl3 + 3 H2CO3 = Al2(CO3)3 + 6 HCl
C3H8COOH + C6H14O = C10H20O2 + H2O =>
12 C3H8COOH + 7 C6H14O = 9 C10H20O2 + 13 H2O
K2HCO3 + HCl = KCl + H2O + CO2 + H2 =>
2 K2HCO3 + 4 HCl = 4 KCl + 2 H2O + 2 CO2 + H2
C2H5MgBr + H2O = C2H6 + Mg(OH)Br =>
C2H5MgBr + H2O = C2H6 + Mg(OH)Br
Be + HI = BeI + H2 =>
2 Be + 2 HI = 2 BeI + H2
C2H5OH + C7H15COOH = C10H20O2 + H2O =>
C2H5OH + C7H15COOH = C10H20O2 + H2O
Pb4 + Cl2 = Pb(Cl2)4 =>
Pb4 + 16 Cl2 = 4 Pb(Cl2)4
CH3CH(CH3)CHO + KMnO4 + KOH = CH3CH(CH3)COOK + K2MnO4 + H2O =>
CH3CH(CH3)CHO + 2 KMnO4 + 3 KOH = CH3CH(CH3)COOK + 2 K2MnO4 + 2 H2O
HCl(aq) + CaCO3(s) = CaCl2(s) + H2O(l) + CO2(g) =>
2 HCl(aq) + CaCO3(s) = CaCl2(s) + H2O(l) + CO2(g)
SrCl2(aq) + AgNO3(aq) = AgCl2 + SrNO3 =>
SrCl2(aq) + AgNO3(aq) = AgCl2 + SrNO3
LiMn2O4*C4H10 + O2 = LiMn2O4 + C02 + H2O =>
2 LiMn2O4*C4H10 + 5 O2 = 2 LiMn2O4 + 4 C02 + 10 H2O
ArOH + Na2CO3 = ArONa + NaHCO3 =>
ArOH + Na2CO3 = ArONa + NaHCO3
CuCN + NaCN = NaCu(CN)2 =>
CuCN + NaCN = NaCu(CN)2
H2 + N2 = NH3 =>
3 H2 + N2 = 2 NH3
S + KOH = K2S + K2SO4 + H2O =>
4 S + 8 KOH = 3 K2S + K2SO4 + 4 H2O
Fe + O2 + H2O = Fe2O3*H2 =>
2 Fe + O2 + H2O = Fe2O3*H2
Cr3O + Si = Cr + SiO2 =>
2 Cr3O + Si = 6 Cr + SiO2
NaOH(aq) + Pb(NO3)2(aq) = NaNO3(aq) + Pb(OH)2(ppt) =>
2 NaOH(aq) + Pb(NO3)2(aq) = 2 NaNO3(aq) + Pb(OH)2(ppt)
[Cu(H2O)6] + Br = [CuBr4] + H2O =>
[Cu(H2O)6] + 4 Br = [CuBr4] + 6 H2O
H2C2O4(aq) + H2O2(aq) = CO2(g) + H2O(l) =>
H2C2O4(aq) + H2O2(aq) = 2 CO2(g) + 2 H2O(l)
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